CVE-2025-67721

Published: December 12, 2025
Aircompressor is a library with ports of the Snappy, LZO, LZ4, and Zstandard compression algorithms to Java. In versions 3.3 and below, incorrect handling of malformed data in Java-based decompressor implementations for Snappy and LZ4 allow remote attackers to read previous buffer contents via crafted compressed input. With certain crafted compressed inputs, elements from the output buffer can end up in the uncompressed output, potentially leaking sensitive data. This is relevant for applications that reuse the same output buffer to uncompress multiple inputs. This can be the case of a web server that allocates a fix-sized buffer for performance purposes. There is similar vulnerability in GHSA-cmp6-m4wj-q63q. This issue is fixed in version 3.4.
Unknown
CVSS v2:

Status

DocFilters Release Package State Justification Comment
0.0.0.1 snappy (1.1.3) Needs Triage
25.4 snappy (1.1.3) Needs Triage
25.3 snappy (1.1.3) Needs Triage
25.2 snappy (1.1.3) Needs Triage
25.1.1 snappy (1.1.3) Needs Triage
25.1 snappy (1.1.3) Needs Triage
24.4 snappy (1.1.3) Needs Triage
24.4.0 snappy (1.1.3) Needs Triage
24.3 snappy (1.1.3) Needs Triage
24.2.1 snappy (1.1.3) Needs Triage
24.2 snappy (1.1.3) Needs Triage
24.1 snappy (1.1.3) Needs Triage
23.3 snappy (1.1.3) Needs Triage
23.2.1 snappy (1.1.3) Needs Triage
23.2 snappy (1.1.3) Needs Triage
23.1 snappy (1.1.3) Needs Triage
22.4 snappy (1.1.3) Needs Triage
22.3 snappy (1.1.3) Needs Triage
22.2 snappy (1.1.3) Needs Triage
22.1 snappy (1.1.3) Needs Triage
21.11.1 snappy (1.1.3) Needs Triage
21.11 snappy (1.1.3) Needs Triage
21.8.1 snappy (1.1.3) Needs Triage
21.8 snappy (1.1.3) Needs Triage
21.5.1 snappy (1.1.3) Needs Triage
21.5.0 snappy (1.1.3) Needs Triage
21.2.0 snappy (1.1.3) Needs Triage
11.4.20 snappy (1.1.3) Needs Triage
11.4.19.3667 snappy (1.1.3) Needs Triage
11.4.18.3599 snappy (1.1.3) Needs Triage
11.4.17 snappy (1.1.3) Needs Triage
11.4.16.3445 snappy (1.1.3) Needs Triage
11.4.15.3368 snappy (1.1.3) Needs Triage
11.4.14.3263 snappy (1.1.3) Needs Triage
11.4.13.3179 snappy (1.1.3) Needs Triage
11.4.12.3054 snappy (1.1.3) Needs Triage
11.4.11.3040 snappy (1.1.3) Needs Triage
11.4.11.2990 snappy (1.1.3) Needs Triage
11.4.10.2934 snappy (1.1.3) Needs Triage
11.4.9.2878 snappy (1.1.3) Needs Triage
11.4.8.2822 snappy (1.1.3) Needs Triage

Severity score breakdown

References